Does it matter whether the water was added before or after the urine when using a vessel?

PrayerPhysical Environment

Synopsis

Both the Mechaber and Mishnah Berurah hold that it makes no difference whether water preceded urine or urine preceded water in a vessel. If a revi'it of water was already on the ground when urination occurred atop it, recitation is permitted.

Early Acharonim
Late Acharonim
Lenient
Strict
Lesser cited
Major authority

Discussion

Discussion coming soon.

The Daily Law

One question. Every opinion. Every morning.

A new halakhic question and the full spectrum of rabbinic thought, delivered daily.